Blender Tutorial : How to remove Unused or Duplicate Materials in Blender 3 - YouTube
2.91] Blender Tutorial: How to Completely Delete Materials - YouTube
How can I remove all unused materials from a .blend file? - Blender Stack Exchange
how do I deleted a material from the drop down list? - Basics & Interface - Blender Artists Community
GitHub - QCPolmer/Blender-3d-remove-duplicate-materials-in-scene: Run this script from a scene and it will replace all materials with a '.001' or whatever with the material without the number after it. Basically, it is for
How to delete all unused materials from a Blender 2.8 file, time saving tips for beginners - BlenderNation
How To Remove Unused Materials In Blender | Two Techniques & A Quick Tip To Retain Your Undo History - YouTube
Ability to remove material slots in edit mode — Right-Click Select
How To Delete a Material in Blender - Artisticrender.com
Blender 2.8 - How to delete a texture slot in Texture Paint mode? - CG Cookie